By J.S. Newberry,chief geologist. Including reports by E.B. Andrews, Edward Orton, J.H. Klippart, assistant geologists. T.G. Wormley, chemist. G.K. Gilbert, M.C. Read, Henry Newton, W.B. Potter, local assistants.illus.,plates (1 fold.) col. map.and atlas of 5 fold. pl. From the Brittle Books digitization program at the Ohio State University Libraries.